Cleaning the codebase

This commit is contained in:
2025-10-12 11:17:58 +02:00
parent 7b99dc0f0d
commit 6c11c5756a
5 changed files with 681 additions and 389 deletions

View File

@ -2,63 +2,81 @@
import { onMount } from "svelte";
import WaveformDisplay from "./lib/components/WaveformDisplay.svelte";
import VUMeter from "./lib/components/VUMeter.svelte";
import WelcomeModal from "./lib/components/WelcomeModal.svelte";
import ProcessorPopup from "./lib/components/ProcessorPopup.svelte";
import { engines } from "./lib/audio/engines/registry";
import type { SynthEngine } from "./lib/audio/engines/SynthEngine";
import type { EngineType } from "./lib/audio/engines/SynthEngine";
import { AudioService } from "./lib/audio/services/AudioService";
import { downloadWAV } from "./lib/audio/utils/WAVEncoder";
import {
loadVolume,
saveVolume,
loadDuration,
saveDuration,
} from "./lib/utils/settings";
import { loadVolume, saveVolume, loadDuration, saveDuration } from "./lib/utils/settings";
import { generateRandomColor } from "./lib/utils/colors";
import {
getRandomProcessor,
getAllProcessors,
} from "./lib/audio/processors/registry";
import { getRandomProcessor } from "./lib/audio/processors/registry";
import type { AudioProcessor } from "./lib/audio/processors/AudioProcessor";
import { Sample } from "./lib/audio/engines/Sample";
import { Input } from "./lib/audio/engines/Input";
import { createKeyboardHandler } from "./lib/utils/keyboard";
let currentEngineIndex = 0;
let engine = engines[currentEngineIndex];
let engineType: EngineType = engine.getType();
let currentEngineIndex = $state(0);
const engine = $derived(engines[currentEngineIndex]);
const engineType = $derived(engine.getType());
const audioService = new AudioService();
let currentParams: any = null;
let currentBuffer: AudioBuffer | null = null;
let duration = loadDuration();
let volume = loadVolume();
let playbackPosition = -1;
let waveformColor = generateRandomColor();
let showModal = true;
let isProcessed = false;
let showProcessorPopup = false;
let popupTimeout: ReturnType<typeof setTimeout> | null = null;
let isRecording = false;
let isDragOver = false;
let currentParams = $state<any>(null);
let currentBuffer = $state<AudioBuffer | null>(null);
let duration = $state(loadDuration());
let volume = $state(loadVolume());
let playbackPosition = $state(-1);
let waveformColor = $state(generateRandomColor());
let showModal = $state(true);
let isProcessed = $state(false);
let showProcessorPopup = $state(false);
let popupTimeout = $state<ReturnType<typeof setTimeout> | null>(null);
let isRecording = $state(false);
let isDragOver = $state(false);
const allProcessors = getAllProcessors().sort((a, b) =>
a.getName().localeCompare(b.getName())
);
const showDuration = $derived(engineType !== 'sample');
const showRandomButton = $derived(engineType === 'generative');
const showRecordButton = $derived(engineType === 'input');
const showFileDropZone = $derived(engineType === 'sample' && !currentBuffer);
const showMutateButton = $derived(engineType === 'generative' && !isProcessed && currentBuffer);
$: showDuration = engineType !== 'sample';
$: showRandomButton = engineType === 'generative';
$: showRecordButton = engineType === 'input';
$: showFileDropZone = engineType === 'sample' && !currentBuffer;
$: showMutateButton = engineType === 'generative' && !isProcessed && currentBuffer;
$effect(() => {
audioService.setVolume(volume);
saveVolume(volume);
});
$effect(() => {
saveDuration(duration);
});
onMount(() => {
audioService.setVolume(volume);
audioService.setPlaybackUpdateCallback((position) => {
playbackPosition = position;
});
generateRandom();
});
const keyboardHandler = createKeyboardHandler({
onMutate: mutate,
onRandom: generateRandom,
onProcess: processSound,
onDownload: download,
onDurationDecrease: (large) => {
duration = Math.max(0.05, duration - (large ? 1 : 0.05));
},
onDurationIncrease: (large) => {
duration = Math.min(32, duration + (large ? 1 : 0.05));
},
onVolumeDecrease: (large) => {
volume = Math.max(0, volume - (large ? 0.2 : 0.05));
},
onVolumeIncrease: (large) => {
volume = Math.min(1, volume + (large ? 0.2 : 0.05));
},
onEscape: () => showModal && closeModal(),
});
function generateRandom() {
currentParams = engine.randomParams();
waveformColor = generateRandomColor();
@ -98,42 +116,7 @@
function processSound() {
if (!currentBuffer) return;
const processor = getRandomProcessor();
applyProcessor(processor);
}
function processWithSpecificProcessor(processor: AudioProcessor) {
if (!currentBuffer) return;
hideProcessorPopup();
applyProcessor(processor);
}
function handlePopupMouseEnter() {
if (popupTimeout) {
clearTimeout(popupTimeout);
}
showProcessorPopup = true;
popupTimeout = setTimeout(() => {
showProcessorPopup = false;
}, 2000);
}
function handlePopupMouseLeave() {
if (popupTimeout) {
clearTimeout(popupTimeout);
}
popupTimeout = setTimeout(() => {
showProcessorPopup = false;
}, 200);
}
function hideProcessorPopup() {
if (popupTimeout) {
clearTimeout(popupTimeout);
}
showProcessorPopup = false;
applyProcessor(getRandomProcessor());
}
async function applyProcessor(processor: AudioProcessor) {
@ -141,37 +124,16 @@
const leftChannel = currentBuffer.getChannelData(0);
const rightChannel = currentBuffer.getChannelData(1);
const [processedLeft, processedRight] = await processor.process(leftChannel, rightChannel);
const [processedLeft, processedRight] = await processor.process(
leftChannel,
rightChannel,
);
currentBuffer = audioService.createAudioBuffer([
processedLeft,
processedRight,
]);
currentBuffer = audioService.createAudioBuffer([processedLeft, processedRight]);
isProcessed = true;
audioService.play(currentBuffer);
}
function handleVolumeChange(event: Event) {
const target = event.target as HTMLInputElement;
volume = parseFloat(target.value);
audioService.setVolume(volume);
saveVolume(volume);
}
function handleDurationChange(event: Event) {
const target = event.target as HTMLInputElement;
duration = parseFloat(target.value);
saveDuration(duration);
hideProcessorPopup();
}
function switchEngine(index: number) {
currentEngineIndex = index;
engine = engines[index];
engineType = engine.getType();
currentBuffer = null;
currentParams = null;
isProcessed = false;
@ -183,10 +145,8 @@
async function handleFileInput(event: Event) {
const input = event.target as HTMLInputElement;
if (!input.files || input.files.length === 0) return;
const file = input.files[0];
await loadAudioFile(file);
if (!input.files?.length) return;
await loadAudioFile(input.files[0]);
}
async function loadAudioFile(file: File) {
@ -205,8 +165,7 @@
}
async function recordAudio() {
if (!(engine instanceof Input)) return;
if (isRecording) return;
if (!(engine instanceof Input) || isRecording) return;
try {
isRecording = true;
@ -227,9 +186,8 @@
event.preventDefault();
isDragOver = false;
if (!event.dataTransfer) return;
const files = event.dataTransfer.files;
if (files.length === 0) return;
const files = event.dataTransfer?.files;
if (!files?.length) return;
const file = files[0];
if (!file.type.startsWith('audio/')) {
@ -250,79 +208,41 @@
isDragOver = false;
}
function showPopup() {
if (popupTimeout) clearTimeout(popupTimeout);
showProcessorPopup = true;
popupTimeout = setTimeout(() => showProcessorPopup = false, 2000);
}
function scheduleHidePopup() {
if (popupTimeout) clearTimeout(popupTimeout);
popupTimeout = setTimeout(() => showProcessorPopup = false, 200);
}
function hideProcessorPopup() {
if (popupTimeout) clearTimeout(popupTimeout);
showProcessorPopup = false;
}
async function closeModal() {
showModal = false;
await audioService.initialize();
}
function handleKeydown(event: KeyboardEvent) {
// Ignore if typing in an input
if (event.target instanceof HTMLInputElement) return;
const key = event.key.toLowerCase();
// Close modal with Escape key
if (key === "escape" && showModal) {
closeModal();
return;
}
switch (key) {
case "m":
mutate();
break;
case "r":
generateRandom();
break;
case "p":
processSound();
break;
case "s":
download();
break;
case "arrowleft":
event.preventDefault();
const durationDecrement = event.shiftKey ? 1 : 0.05;
duration = Math.max(0.05, duration - durationDecrement);
saveDuration(duration);
break;
case "arrowright":
event.preventDefault();
const durationIncrement = event.shiftKey ? 1 : 0.05;
duration = Math.min(32, duration + durationIncrement);
saveDuration(duration);
break;
case "arrowdown":
event.preventDefault();
const volumeDecrement = event.shiftKey ? 0.2 : 0.05;
volume = Math.max(0, volume - volumeDecrement);
audioService.setVolume(volume);
saveVolume(volume);
break;
case "arrowup":
event.preventDefault();
const volumeIncrement = event.shiftKey ? 0.2 : 0.05;
volume = Math.min(1, volume + volumeIncrement);
audioService.setVolume(volume);
saveVolume(volume);
break;
}
}
</script>
<svelte:window onkeydown={handleKeydown} />
<svelte:window onkeydown={keyboardHandler} />
<div class="container">
<div class="top-bar">
<div class="mode-buttons">
{#each engines as engine, index}
{#each engines as currentEngine, index}
<button
class="engine-button"
class:active={currentEngineIndex === index}
data-description={engine.getDescription()}
data-description={currentEngine.getDescription()}
onclick={() => switchEngine(index)}
>
{engine.getName()}
{currentEngine.getName()}
</button>
{/each}
</div>
@ -336,8 +256,7 @@
min="0.05"
max="32"
step="0.01"
value={duration}
oninput={handleDurationChange}
bind:value={duration}
/>
</div>
{/if}
@ -349,8 +268,7 @@
min="0"
max="1"
step="0.01"
value={volume}
oninput={handleVolumeChange}
bind:value={volume}
/>
</div>
</div>
@ -407,22 +325,12 @@
<div
class="process-button-container"
role="group"
onmouseenter={handlePopupMouseEnter}
onmouseleave={handlePopupMouseLeave}
onmouseenter={showPopup}
onmouseleave={scheduleHidePopup}
>
<button onclick={processSound}>Process (P)</button>
{#if showProcessorPopup}
<div class="processor-popup">
{#each allProcessors as processor}
<button
class="processor-tile"
data-description={processor.getDescription()}
onclick={() => processWithSpecificProcessor(processor)}
>
{processor.getName()}
</button>
{/each}
</div>
<ProcessorPopup onselect={applyProcessor} />
{/if}
</div>
<button onclick={download}>Download (D)</button>
@ -435,46 +343,7 @@
</div>
{#if showModal}
<div
class="modal-overlay"
role="button"
tabindex="0"
onclick={closeModal}
onkeydown={(e) => e.key === "Enter" && closeModal()}
>
<div
class="modal-content"
role="dialog"
aria-labelledby="modal-title"
tabindex="-1"
onclick={(e) => e.stopPropagation()}
onkeydown={(e) => e.stopPropagation()}
>
<h1 id="modal-title">Vending Machine</h1>
<p class="description">
Oh, looks like you found a sound vending machine. This one seems
slightly broken and it seems that you can get sounds for free... Have
fun!
</p>
<div class="modal-links">
<p>
Created by <a
href="https://raphaelforment.fr"
target="_blank"
rel="noopener noreferrer">Raphaël Forment (BuboBubo)</a
>
</p>
<p>
Licensed under <a
href="https://www.gnu.org/licenses/gpl-3.0.html"
target="_blank"
rel="noopener noreferrer">GPL 3.0</a
>
</p>
</div>
<button class="modal-close" onclick={closeModal}>Start</button>
</div>
</div>
<WelcomeModal onclose={closeModal} />
{/if}
</div>
@ -488,9 +357,8 @@
.top-bar {
display: flex;
justify-content: space-between;
align-items: center;
gap: 1rem;
flex-direction: column;
gap: 0.75rem;
padding: 0.5rem;
background-color: #1a1a1a;
border-bottom: 1px solid #333;
@ -499,11 +367,35 @@
.mode-buttons {
display: flex;
gap: 0.5rem;
overflow-x: auto;
overflow-y: hidden;
-webkit-overflow-scrolling: touch;
scrollbar-width: thin;
scrollbar-color: #444 transparent;
padding-bottom: 0.25rem;
}
.mode-buttons::-webkit-scrollbar {
height: 4px;
}
.mode-buttons::-webkit-scrollbar-track {
background: transparent;
}
.mode-buttons::-webkit-scrollbar-thumb {
background: #444;
border-radius: 0;
}
.engine-button {
opacity: 0.7;
position: relative;
flex-shrink: 0;
font-size: 0.85rem;
padding: 0.5rem 0.75rem;
white-space: nowrap;
min-width: calc(25vw - 1rem);
}
.engine-button:hover {
@ -525,47 +417,111 @@
border: 1px solid #444;
color: #ccc;
font-size: 0.85rem;
width: 30vw;
width: 200px;
max-width: 90vw;
white-space: normal;
word-wrap: break-word;
pointer-events: none;
opacity: 0;
transition: opacity 0.2s;
z-index: 1000;
}
.engine-button:hover::after {
opacity: 1;
display: none;
}
.controls-group {
display: flex;
gap: 1rem;
align-items: center;
flex-direction: column;
gap: 0.5rem;
width: 100%;
}
.slider-control {
display: flex;
align-items: center;
gap: 0.5rem;
width: 100%;
}
.slider-control label {
font-size: 0.9rem;
font-size: 0.85rem;
white-space: nowrap;
min-width: fit-content;
}
.slider-control input[type="range"] {
width: 100px;
flex: 1;
min-width: 0;
}
.duration-slider input[type="range"] {
width: 300px;
@media (min-width: 768px) {
.top-bar {
flex-direction: row;
justify-content: space-between;
align-items: center;
gap: 1rem;
}
.mode-buttons {
flex: 1;
overflow-x: auto;
padding-bottom: 0;
max-width: 60%;
}
.engine-button {
font-size: 0.9rem;
padding: 0.6rem 1rem;
min-width: auto;
}
.engine-button::after {
display: block;
width: 250px;
}
.engine-button:hover::after {
opacity: 1;
}
.controls-group {
flex-direction: row;
width: auto;
flex-shrink: 0;
}
.slider-control input[type="range"] {
width: 80px;
}
.duration-slider input[type="range"] {
width: 150px;
}
}
@media (min-width: 1024px) {
.mode-buttons {
max-width: 65%;
}
.slider-control input[type="range"] {
width: 100px;
}
.duration-slider input[type="range"] {
width: 200px;
}
}
@media (min-width: 1280px) {
.duration-slider input[type="range"] {
width: 300px;
}
}
.main-area {
flex: 1;
display: flex;
flex-direction: column;
background-color: #0a0a0a;
overflow: hidden;
}
@ -577,22 +533,77 @@
align-items: center;
justify-content: center;
overflow: hidden;
min-height: 200px;
}
.vu-meter-container {
width: 5%;
min-width: 40px;
max-width: 80px;
border-left: 1px solid #333;
width: 100%;
height: 60px;
border-top: 1px solid #333;
}
.bottom-controls {
position: absolute;
bottom: 2rem;
bottom: 1rem;
left: 50%;
transform: translateX(-50%);
display: flex;
gap: 1rem;
flex-wrap: wrap;
gap: 0.5rem;
justify-content: center;
padding: 0 0.5rem;
max-width: 95%;
}
.bottom-controls button {
font-size: 0.85rem;
padding: 0.5rem 0.75rem;
white-space: nowrap;
}
.process-button-container {
position: relative;
}
@media (min-width: 768px) {
.main-area {
flex-direction: row;
}
.waveform-container {
min-height: auto;
}
.vu-meter-container {
width: 5%;
min-width: 50px;
max-width: 80px;
height: auto;
border-left: 1px solid #333;
border-top: none;
}
.bottom-controls {
gap: 0.75rem;
bottom: 1.5rem;
}
.bottom-controls button {
font-size: 0.9rem;
padding: 0.6rem 1rem;
}
}
@media (min-width: 1024px) {
.bottom-controls {
gap: 1rem;
bottom: 2rem;
}
.bottom-controls button {
font-size: 1rem;
padding: 0.75rem 1.25rem;
}
}
input[type="range"] {
@ -647,144 +658,6 @@
background: #ddd;
}
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
justify-content: center;
align-items: center;
z-index: 2000;
}
.modal-content {
background-color: #000;
border: 2px solid #fff;
padding: 2rem;
max-width: 500px;
width: 90%;
color: #fff;
}
.modal-content h1 {
margin: 0 0 1rem 0;
font-size: 2rem;
font-weight: bold;
}
.modal-content .description {
margin: 0 0 1.5rem 0;
line-height: 1.6;
color: #ccc;
}
.modal-links {
margin: 1.5rem 0;
padding: 1rem 0;
border-top: 1px solid #333;
border-bottom: 1px solid #333;
}
.modal-links p {
margin: 0.5rem 0;
font-size: 0.9rem;
color: #ccc;
}
.modal-links a {
color: #646cff;
text-decoration: none;
}
.modal-links a:hover {
text-decoration: underline;
}
.modal-close {
margin-top: 1rem;
width: 100%;
padding: 0.75rem;
font-size: 1.1rem;
background-color: #fff;
color: #000;
border: none;
cursor: pointer;
font-weight: bold;
}
.modal-close:hover {
background-color: #ddd;
}
.process-button-container {
position: relative;
}
.processor-popup {
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
background-color: #000;
border: 2px solid #fff;
padding: 0.75rem;
z-index: 1000;
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: 0.5rem;
width: 600px;
margin-bottom: 0.5rem;
}
.processor-tile {
background-color: #1a1a1a;
border: 1px solid #444;
padding: 0.6rem 0.4rem;
text-align: center;
cursor: pointer;
transition: background-color 0.2s, border-color 0.2s;
font-size: 0.85rem;
color: #fff;
position: relative;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.processor-tile:hover {
background-color: #2a2a2a;
border-color: #646cff;
}
.processor-tile::after {
content: attr(data-description);
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
padding: 0.5rem 0.75rem;
background-color: #0a0a0a;
border: 1px solid #444;
color: #ccc;
font-size: 0.85rem;
width: max-content;
max-width: 300px;
white-space: normal;
word-wrap: break-word;
pointer-events: none;
opacity: 0;
transition: opacity 0.2s;
z-index: 1001;
margin-bottom: 0.25rem;
}
.processor-tile:hover::after {
opacity: 1;
}
.file-drop-zone {
width: 100%;
height: 100%;
@ -794,6 +667,7 @@
border: 2px dashed #444;
background-color: #0a0a0a;
transition: all 0.2s;
padding: 1rem;
}
.file-drop-zone.drag-over {
@ -807,31 +681,38 @@
}
.drop-zone-content h2 {
font-size: 1.5rem;
margin-bottom: 1rem;
font-size: 1.2rem;
margin-bottom: 0.75rem;
color: #fff;
}
.drop-zone-content p {
margin: 1rem 0;
font-size: 1rem;
}
.file-input-label {
display: inline-block;
padding: 0.75rem 1.5rem;
padding: 0.65rem 1.25rem;
background-color: #646cff;
color: #fff;
border: 1px solid #646cff;
cursor: pointer;
transition: background-color 0.2s;
font-size: 1rem;
font-size: 0.95rem;
}
.file-input-label:hover {
background-color: #535bf2;
}
@media (min-width: 768px) {
.drop-zone-content h2 {
font-size: 1.5rem;
margin-bottom: 1rem;
}
.file-input-label {
padding: 0.75rem 1.5rem;
font-size: 1rem;
}
}
button:disabled {
opacity: 0.5;
cursor: not-allowed;

View File

@ -0,0 +1,128 @@
<script lang="ts">
import { getAllProcessors } from "../audio/processors/registry";
import type { AudioProcessor } from "../audio/processors/AudioProcessor";
interface Props {
onselect: (processor: AudioProcessor) => void;
}
let { onselect }: Props = $props();
const allProcessors = getAllProcessors().sort((a, b) =>
a.getName().localeCompare(b.getName())
);
</script>
<div class="processor-popup">
{#each allProcessors as processor}
<button
class="processor-tile"
data-description={processor.getDescription()}
onclick={() => onselect(processor)}
>
{processor.getName()}
</button>
{/each}
</div>
<style>
.processor-popup {
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
background-color: #000;
border: 2px solid #fff;
padding: 0.5rem;
z-index: 1000;
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 0.4rem;
width: 90vw;
max-width: 400px;
margin-bottom: 0.5rem;
max-height: 60vh;
overflow-y: auto;
}
.processor-tile {
background-color: #1a1a1a;
border: 1px solid #444;
padding: 0.5rem 0.4rem;
text-align: center;
cursor: pointer;
transition: background-color 0.2s, border-color 0.2s;
font-size: 0.8rem;
color: #fff;
position: relative;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.processor-tile:hover {
background-color: #2a2a2a;
border-color: #646cff;
}
.processor-tile::after {
content: attr(data-description);
position: absolute;
bottom: 100%;
left: 50%;
transform: translateX(-50%);
padding: 0.5rem 0.75rem;
background-color: #0a0a0a;
border: 1px solid #444;
color: #ccc;
font-size: 0.85rem;
width: max-content;
max-width: 200px;
white-space: normal;
word-wrap: break-word;
pointer-events: none;
opacity: 0;
transition: opacity 0.2s;
z-index: 1001;
margin-bottom: 0.25rem;
display: none;
}
@media (min-width: 768px) {
.processor-popup {
grid-template-columns: repeat(3, 1fr);
width: 500px;
max-width: 500px;
padding: 0.6rem;
gap: 0.5rem;
}
.processor-tile {
font-size: 0.85rem;
padding: 0.6rem 0.5rem;
}
.processor-tile::after {
display: block;
max-width: 300px;
}
.processor-tile:hover::after {
opacity: 1;
}
}
@media (min-width: 1024px) {
.processor-popup {
grid-template-columns: repeat(4, 1fr);
width: 600px;
max-width: 600px;
padding: 0.75rem;
}
.processor-tile {
font-size: 0.85rem;
padding: 0.6rem 0.4rem;
}
}
</style>

View File

@ -88,10 +88,20 @@
if (!buffer) return;
const [leftDB, rightDB] = calculateLevels();
const isHorizontal = width > height;
if (isHorizontal) {
drawHorizontal(ctx, leftDB, rightDB, width, height);
} else {
drawVertical(ctx, leftDB, rightDB, width, height);
}
}
function drawVertical(ctx: CanvasRenderingContext2D, leftDB: number, rightDB: number, width: number, height: number) {
const channelWidth = width / 2;
drawChannel(ctx, 0, leftDB, channelWidth, height);
drawChannel(ctx, channelWidth, rightDB, channelWidth, height);
drawChannelVertical(ctx, 0, leftDB, channelWidth, height);
drawChannelVertical(ctx, channelWidth, rightDB, channelWidth, height);
ctx.strokeStyle = '#333';
ctx.lineWidth = 1;
@ -101,6 +111,20 @@
ctx.stroke();
}
function drawHorizontal(ctx: CanvasRenderingContext2D, leftDB: number, rightDB: number, width: number, height: number) {
const channelHeight = height / 2;
drawChannelHorizontal(ctx, 0, leftDB, width, channelHeight);
drawChannelHorizontal(ctx, channelHeight, rightDB, width, channelHeight);
ctx.strokeStyle = '#333';
ctx.lineWidth = 1;
ctx.beginPath();
ctx.moveTo(0, channelHeight);
ctx.lineTo(width, channelHeight);
ctx.stroke();
}
function dbToY(db: number, height: number): number {
const minDB = -60;
const maxDB = 0;
@ -109,7 +133,15 @@
return height - (normalized * height);
}
function drawChannel(ctx: CanvasRenderingContext2D, x: number, levelDB: number, width: number, height: number) {
function dbToX(db: number, width: number): number {
const minDB = -60;
const maxDB = 0;
const clampedDB = Math.max(minDB, Math.min(maxDB, db));
const normalized = (clampedDB - minDB) / (maxDB - minDB);
return normalized * width;
}
function drawChannelVertical(ctx: CanvasRenderingContext2D, x: number, levelDB: number, width: number, height: number) {
const gridMarks = [0, -3, -6, -10, -20, -40, -60];
ctx.strokeStyle = '#222';
ctx.lineWidth = 1;
@ -146,6 +178,44 @@
}
}
}
function drawChannelHorizontal(ctx: CanvasRenderingContext2D, y: number, levelDB: number, width: number, height: number) {
const gridMarks = [0, -3, -6, -10, -20, -40, -60];
ctx.strokeStyle = '#222';
ctx.lineWidth = 1;
for (const db of gridMarks) {
const x = dbToX(db, width);
ctx.beginPath();
ctx.moveTo(x, y);
ctx.lineTo(x, y + height);
ctx.stroke();
}
if (levelDB === -Infinity) return;
const segments = [
{ startDB: -60, endDB: -18, color: '#00ff00' },
{ startDB: -18, endDB: -6, color: '#ffff00' },
{ startDB: -6, endDB: 0, color: '#ff0000' }
];
for (const segment of segments) {
if (levelDB >= segment.startDB) {
const startX = dbToX(segment.startDB, width);
const endX = dbToX(segment.endDB, width);
const clampedLevelDB = Math.min(levelDB, segment.endDB);
const levelX = dbToX(clampedLevelDB, width);
const segmentWidth = levelX - startX;
if (segmentWidth > 0) {
ctx.fillStyle = segment.color;
ctx.fillRect(startX, y, segmentWidth, height);
}
}
}
}
</script>
<canvas bind:this={canvas}></canvas>

View File

@ -0,0 +1,159 @@
<script lang="ts">
interface Props {
onclose: () => void;
}
let { onclose }: Props = $props();
</script>
<div
class="modal-overlay"
role="button"
tabindex="0"
onclick={onclose}
onkeydown={(e) => e.key === "Enter" && onclose()}
>
<div
class="modal-content"
role="dialog"
aria-labelledby="modal-title"
tabindex="-1"
onclick={(e) => e.stopPropagation()}
onkeydown={(e) => e.stopPropagation()}
>
<h1 id="modal-title">Vending Machine</h1>
<p class="description">
Oh, looks like you found a sound vending machine. This one seems slightly
broken and it seems that you can get sounds for free... Have fun!
</p>
<div class="modal-links">
<p>
Created by <a
href="https://raphaelforment.fr"
target="_blank"
rel="noopener noreferrer">Raphaël Forment (BuboBubo)</a
>
</p>
<p>
Licensed under <a
href="https://www.gnu.org/licenses/gpl-3.0.html"
target="_blank"
rel="noopener noreferrer">GPL 3.0</a
>
</p>
</div>
<button class="modal-close" onclick={onclose}>Start</button>
</div>
</div>
<style>
.modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
justify-content: center;
align-items: center;
z-index: 2000;
}
.modal-content {
background-color: #000;
border: 2px solid #fff;
padding: 1.5rem;
max-width: 500px;
width: 90%;
color: #fff;
max-height: 90vh;
overflow-y: auto;
}
.modal-content h1 {
margin: 0 0 0.75rem 0;
font-size: 1.5rem;
font-weight: bold;
}
.modal-content .description {
margin: 0 0 1rem 0;
line-height: 1.5;
color: #ccc;
font-size: 0.9rem;
}
.modal-links {
margin: 1rem 0;
padding: 0.75rem 0;
border-top: 1px solid #333;
border-bottom: 1px solid #333;
}
.modal-links p {
margin: 0.4rem 0;
font-size: 0.85rem;
color: #ccc;
line-height: 1.4;
}
.modal-links a {
color: #646cff;
text-decoration: none;
word-break: break-word;
}
.modal-links a:hover {
text-decoration: underline;
}
.modal-close {
margin-top: 0.75rem;
width: 100%;
padding: 0.65rem;
font-size: 1rem;
background-color: #fff;
color: #000;
border: none;
cursor: pointer;
font-weight: bold;
}
.modal-close:hover {
background-color: #ddd;
}
@media (min-width: 768px) {
.modal-content {
padding: 2rem;
}
.modal-content h1 {
font-size: 2rem;
margin: 0 0 1rem 0;
}
.modal-content .description {
margin: 0 0 1.5rem 0;
font-size: 1rem;
line-height: 1.6;
}
.modal-links {
margin: 1.5rem 0;
padding: 1rem 0;
}
.modal-links p {
font-size: 0.9rem;
margin: 0.5rem 0;
}
.modal-close {
margin-top: 1rem;
padding: 0.75rem;
font-size: 1.1rem;
}
}
</style>

54
src/lib/utils/keyboard.ts Normal file
View File

@ -0,0 +1,54 @@
export interface KeyboardActions {
onMutate?: () => void;
onRandom?: () => void;
onProcess?: () => void;
onDownload?: () => void;
onDurationDecrease?: (large: boolean) => void;
onDurationIncrease?: (large: boolean) => void;
onVolumeDecrease?: (large: boolean) => void;
onVolumeIncrease?: (large: boolean) => void;
onEscape?: () => void;
}
export function createKeyboardHandler(actions: KeyboardActions) {
return (event: KeyboardEvent) => {
if (event.target instanceof HTMLInputElement) return;
const key = event.key.toLowerCase();
const isLargeAdjustment = event.shiftKey;
switch (key) {
case 'm':
actions.onMutate?.();
break;
case 'r':
actions.onRandom?.();
break;
case 'p':
actions.onProcess?.();
break;
case 's':
actions.onDownload?.();
break;
case 'arrowleft':
event.preventDefault();
actions.onDurationDecrease?.(isLargeAdjustment);
break;
case 'arrowright':
event.preventDefault();
actions.onDurationIncrease?.(isLargeAdjustment);
break;
case 'arrowdown':
event.preventDefault();
actions.onVolumeDecrease?.(isLargeAdjustment);
break;
case 'arrowup':
event.preventDefault();
actions.onVolumeIncrease?.(isLargeAdjustment);
break;
case 'escape':
actions.onEscape?.();
break;
}
};
}